spiritual support" to the families. A memorial service was later held in Moscow's Cathedral of Christ the Saviour. Mayor of Irkutsk announced that a memorial stone would be unveiled at the crash site and a memorial service would also be held. The installment of chapel or monument in the memorial area would be discussed further between the city's officials. On 14 July, both pilots were buried in Irkutsk. In December 2006, during an awards ceremony in Moscow's Red Army Theatre, flight attendant Viktoria Zilberstein was awarded by Federation of Jewish Communities of Russia for her heroic actions during the evacuation of the passengers on board. Investigation Russia's Interstate Aviation Committee (MAK) was ordered to investigate the crash. Contributing parties of the investigation were Russia's Federal Service for Supervision of Transport (Rostransnadzor) of the Ministry of Transport, Federal Air Transport Agency (Rosaviatsiya), Rosaeronavigatsiya, representatives from Irkutsk Airport, Aeroflot and S7 Airlines. As the manufacturer of the aircraft, Airbus sent a team of experts to assist in the investigation. French BEA, U.S NTSB and German BFU were also appointed as accredited representatives. Pratt & Whitney also assisted in the investigation of the crash. Both aircraft recorders, the flight data recorder and cockpit voice recorder, were recovered from the crash site on 9 July. The cockpit voice recorder was intact, while the flight data recorder showed signs of damages on its outer case and required special care to decipher the content. Both recorders were sent to Moscow on 10 July for decryption. The data from both recorders was successfully downloaded in good quality. In the wake of the crash, several theories immediately surfaced. Most media outlets reported that a brake failure had occurred in Flight 778. Irina Andrianova, a spokesperson for the Ministry of Emergency Situations, said, "The aircraft veered off the runway on landing. It was travelling at a terrific speed." News agencies reported that the pilots advised air traffic controllers they had landed successfully, but that radio contact then broke off suddenly. Russian prosecutors reported that the crash was most likely had been caused by human error or equipment failure. Speaking before flying from Moscow to Irkutsk, Russian Transport Minister Igor Levitin was quoted as saying the runway was wet after rain and that a technical failure should be considered as one of the causes of the crash. According to Airbus, the aircraft was properly maintained. The most recent A Check,